intel-iommu: Disable PMRs after we enable translation, not before

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 52026d1797ec..601c3278cf2a 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2403,11 +2403,12 @@ int __init init_dmars(void)
 
                 iommu->flush.flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL);
                 iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH);
-                iommu_disable_protect_mem_regions(iommu);
 
                 ret = iommu_enable_translation(iommu);
                 if (ret)
                         goto error;
+
+                iommu_disable_protect_mem_regions(iommu);
         }
 
         return 0;
@@ -3066,8 +3067,8 @@ static int init_iommu_hw(void)
                                            DMA_CCMD_GLOBAL_INVL);
                 iommu->flush.flush_iotlb(iommu, 0, 0, 0,
                                          DMA_TLB_GLOBAL_FLUSH);
-                iommu_disable_protect_mem_regions(iommu);
                 iommu_enable_translation(iommu);
+                iommu_disable_protect_mem_regions(iommu);
         }
 
         return 0;